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| AAT2801 Datasheet, PDF (8/20 Pages) Advanced Analogic Technologies – Multi-Mode Charge Pump for White LED Backlight and Flash Applications | |||
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AAT2801
Multi-Mode Charge Pump for
White LED Backlight and Flash Applications
Typical CharacteristicsâWhite LED Backlight Driver Section
VIN = 3.5V, CIN = 2.2µF, CCP = C1 = C2 = 1.0µF; TA = 25°C, unless otherwise noted.
Line Response
(1X Mode; 4x19mA Load)
Line Response
(1X Mode; 4x30mA Load)
VIN
(0.5V/div)
VLED
(20mV/div)
VCP
(0.5V/div)
ID
(10mA/div)
Time (1ms/div)
VIN
(0.5V/div)
VLED
(20mV/div)
VCP
(0.5V/div)
ID
(10mA/div)
Time (1ms/div)
VIN
(0.5V/div)
VDX
(20mV/div)
VCP
(0.5V/div)
IDX
(10mA/div)
Line Response
(1.5X Mode; 4x19mA Load)
Time (1ms/div)
VIN
(0.5V/div)
VLED
(20mV/div)
VCP
(0.5V/div)
ID
(10mA/div)
Line Response
(1.5X Mode; 4x30mA Load)
Time (1ms/div)
Line Response
(IOUT = 100mA; I_DX = 4x19mA; 1.5X Mode)
VIN
(0.5V/div)
VCP
(0.5V/div)
VDX
(20mV/div)
IDX
(10mA/div)
VF
(10mV/div)
Time (1ms/div)
8
2801.2006.04.1.3
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